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Finding the Fourth Proportional to 181,006.64, 271,496.29 and 74,361.54

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Solution

The fourth proportional to 181,006.64, 271,496.29 and 74,361.54 is: 111,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,006.64 : 271,496.29 = 74,361.54 : x
  2. Step 2: Convert to fraction form
    181,006.64/271,496.29 = 74,361.54/x
  3. Step 3: Cross multiply
    181,006.64x = 271,496.29 × 74,361.54
  4. Step 4: Simplify right side
    181,006.64x = 20,188,882,228.69
  5. Step 5: Solve for x
    x = 20,188,882,228.69/181,006.64
  6. Step 6: Final answer
    x = 111,536.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.